* Corresponding authors

^a Key Laboratory of Light Energy Conversion Materials of Hunan Province College, Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
E-mail: zxqiu@hunnu.edu.cn

^b Institute of Physics, University of Tartu, W. Ostwald Str. 1, Tartu 50411, Estonia
E-mail: mikhail.brik@ut.ee

^c School of Optoelectronic Engineering & CQUPT-BUL Innovation Institute, Chongqing University of Posts and Telecommunications, Chongqing 400065, People's Republic of China

^d Faculty of Science and Technology, Jan Długosz University, Armii Krajowej 13/15, PL-42200 Częstochowa, Poland

^e Academy of Romanian Scientists, Ilfov Str. No. 3, 050044 Bucharest, Romania